Suzuki Cultus 2007 left front and back wheel noice

hi all,

i have suzuki cultus 2007, i m facing one issue with left side front and rare wheel is that both of em are giving continuous, wheels are balanced and everything else is in order, what can be the possible reason? i m not much a technical person on this subject so need help before going to mechanic, also suggest good mechanic in islamabad for such issues?